Project

Installation of a Zephyr wall-mounted heat pump in Rosemont–La Petite-Patrie

AirGreen installed a Zephyr wall-mounted heat pump in Rosemont–La Petite-Patrie, combining comfort, energy savings and subsidies available for Montreal, Laval, Longueuil, North Shore and South Shore.

By AirGreen Climatisation & Chauffage Admin4 min read
Installation of a Zephyr wall-mounted heat pump in Rosemont–La Petite-Patrie
Installation of a Zephyr wall-mounted heat pump in Rosemont–La Petite-Patrie
–chapters in this story
4 minreading time
–type of installation
2026year published
The tour

Take a tour of the installation

Each number is a point we check on site. Switch between summer and winter to watch air and heat move.

Generic diagram: wall-mounted heat pump, indoor and outdoor units

In summer, the outdoor unit rejects the house's heat outside.

Generic illustration of this type of installation, not a survey of this job site. Tap a number.

  1. Mounted level on a wall plate, high enough for the air to reach the whole room, with enough space around it to slide the filters out easily.

  2. The refrigerant lines, the communication cable and the drain go through the wall in a single opening, sealed against water, cold air and insects.

  3. Two insulated copper pipes connect the two units. Outside, a line cover can protect them from sun, knocks and weather.

  4. A shut-off switch near the outdoor unit isolates it safely for service. It must stay accessible at all times.

  5. The compressor and the fan. In heating mode it captures heat from the outdoor air, even in winter, and moves it inside.

  6. On the ground or on the wall, it keeps the unit above accumulated snow. The unit stays clear and defrost water can drain away.

  7. The fan needs to blow freely. Storage, a fence or a wall too close, and efficiency drops while noise goes up.

The job

An HVAC installation project in the heart of an urban Montreal condo

At AirGreen , we were recently approached for a project in a condo located in Rosemont–La Petite-Patrie , a vibrant neighborhood of Montreal where indoor comfort and energy efficiency are priorities for residents. The installation involved a Zephyr wall-mounted heat pump , a choice that combines performance, discreet design, and a perfect fit for the realities of urban housing.

The indoor unit was positioned above a door leading to the balcony, ensuring optimal distribution of fresh and warm air into the main room while respecting the space constraints specific to condos. This type of configuration requires careful planning and precise execution, two aspects that define the AirGreen method.

The advantages of the Zephyr wall-mounted heat pump

Over the years, the Zephyr brand has established itself as a reliable and affordable option for homeowners in Greater Montreal. Its distinctive features include:

  • Remarkable energy efficiency , reducing electricity consumption year-round.

  • Stable performance down to -25°C , ensuring continuous comfort, even during harsh winters.

  • Quiet operation , ideal for condos and apartments where acoustics are an important issue.

  • A clean and modern design , integrating perfectly into contemporary environments like those of Rosemont.

Challenges encountered and solutions applied

Every HVAC installation project has its own unique challenges. In this case, our team faced several challenges:

  • Space constraint : The unit had to be installed above a door frame, below a ceiling light fixture. We adjusted the wall mounts to meet safety clearances and ensure optimal airflow.

  • Refrigerant pipe route : a discreet hole was made behind the unit, then the pipes were carefully camouflaged using white capping to preserve the aesthetics of the room.

  • Drainage management : the installation was designed using gravity, taking advantage of the proximity to the exterior to avoid the addition of a condensate pump.

Thanks to these technical choices, we have delivered an installation that combines reliability and elegance.

Comfort and savings for occupants

From the moment it was turned on, the occupants noticed a significant improvement in thermal comfort. The Zephyr unit not only efficiently cools hot summer days, but also heats the main room during the winter, reducing dependence on traditional heating systems.

In addition, the device is eligible for certain Quebec government subsidies , notably under the LogisVert and Rénoclimat programs, thanks to its energy performance. AirGreen support always includes complete assistance in these procedures, so that our customers maximize their savings.

A typical installation in Montreal's urban environment

Condos in Rosemont–La Petite-Patrie are characterized by optimized and often limited spaces. Our team's experience in this type of setting allows us to offer customized solutions that take into account both architectural constraints and comfort expectations.

At AirGreen, we are committed to providing:

  • Careful facilities adapted to the environment.

  • Complete monitoring, including HVAC maintenance and servicing.

  • Personalized advice to extend the life of your equipment.

Practical advice for future owners

If you live in a condo in Montreal, Laval, Longueuil, on the North Shore or the South Shore, here are some recommendations to optimize your installation project:

  1. Choose the location carefully : favor a central spot in the room for better air distribution.

  2. Provide adequate drainage : gravity drainage is often simpler and more durable.

  3. Work with a certified installer : only a qualified team can guarantee a safe and efficient installation.

Conclusion

This installation of a Zephyr wall-mounted heat pump in Rosemont–La Petite-Patrie perfectly illustrates AirGreen's expertise in demanding urban environments. By combining technical rigor, energy comfort, and aesthetic attention, we enable our customers to fully enjoy their living space while achieving substantial savings.

The steps

The big day, step by step

The main steps of this kind of job at AirGreen. Every house has its quirks: the estimate brings them out.

Step 1 of 9The on-site estimate

We look at the room, the outside wall, the line route and where the outdoor unit will go. That is where the capacity gets chosen.

  1. The on-site estimateWe look at the room, the outside wall, the line route and where the outdoor unit will go. That is where the capacity gets chosen.
  2. The quoteModel, capacity and price, in writing. We also check whether the model qualifies for assistance programs.
  3. Getting readyFloors and furniture protected, wall plate position marked level, wall opening located.
  4. The wall openingA single opening, with the slope the drain needs to flow outside.
  5. The outdoor unitSet on a stand raised above the snow, with the clearances the manufacturer requires.
  6. Lines, cable and drainConnected, insulated and protected. The opening is then sealed against water, cold air and insects.
  7. The electrical workA dedicated circuit and an accessible disconnect near the outdoor unit.
  8. Tests and start-upLeak test, vacuum, then start-up and a check of heating and cooling.
  9. The walkthroughRemote, modes, filters: we show you the essentials before we leave.
Your numbers

What would it look like at your place?

Two quick checks with real numbers: what heat costs, and what your current heaters add up to in BTU/h.

Size checkYour baseboards, in BTU/h
–BTU/h of installed electric heat

    Conversion: 1 W = 3.412 BTU/h. An indication, not a load calculation: baseboards and furnaces are often stronger than the real need, and they can stay as backup. AirGreen confirms the capacity on site.

    Mistakes avoided

    Four mistakes we do not make

    Flip each card to see what we do instead.

    Going further

    Your own project, step by step

    Through the seasons

    What to do, season by season

    Three habits per season for this unit. They take a few minutes and prevent many calls.

    • Clean the indoor unit's filters.
    • Clear leaves and debris left on the outdoor unit by winter.
    • Test cooling before the first hot days.
    At your place

    Is your home ready?

    Check what applies at your place. A "no" is not a refusal: it is what we sort out during the estimate.

    0 / 6 checked
    True or false

    Four statements: true or false?

    It all comes down to details you have just seen.

    1. In heating mode, the outdoor unit can produce water.

    2. You pick the capacity with a simple square-footage rule.

    3. A multi-zone connects several indoor heads to a single condenser.

    4. The disconnect can sit behind the patio furniture.

    Frequently asked questions

    What people ask us about this kind of work

    12 questions
    Does a wall-mounted heat pump heat in winter?
    Yes, it heats and cools. Its capacity drops in very cold weather; the operating range depends on the model and is listed on its spec sheet.
    Wall-mounted or multi-zone: how do I choose?
    One wall head and one condenser outside: the direct solution for a room or an open area. For two to five rooms, a multi-zone puts one head in each room on a single condenser.
    Where does the outdoor unit go?
    Where it stays above the snow, clear and accessible, away from walkways. We decide it with you during the estimate.
    Are there grants?
    Depending on the model and your situation, assistance programs may apply, including Hydro-Québec's LogisVert. AirGreen checks the model number before quoting an amount. See the grants.
    Do I need a permit?
    Rules vary from city to city: location, distances, noise. See permits and by-laws, and we check for your address.
    How cold can it heat?
    It depends on the model. According to Hydro-Québec, newer models work down to a temperature between −15 °C and −25 °C, and some cold-climate models are certified lower. The minimum temperature is on each unit's spec sheet.
    How much can I save?
    Hydro-Québec says a heat pump can be up to three times more efficient than baseboards for heating in the colder months. The result depends on the house, the climate and how it is used.
    How is the LogisVert assistance calculated?
    For ENERGY STAR cold-climate certified heat pumps, Hydro-Québec lists assistance of $120 per 1,000 BTU/h of heating capacity at −8 °C. AirGreen checks the exact model before quoting an amount; only Hydro-Québec confirms the assistance granted. See the grants.
    Is it noisy?
    The sound level depends on the model and is listed in decibels on each unit's spec sheet. Location matters too: when possible, we avoid putting the outdoor unit under a bedroom window.
    The outdoor unit is covered in ice: is that normal?
    Some frost is: the unit runs defrost cycles. Never hit the ice. If the unit stays iced up or stops heating, call us.
    Does AirGreen hold the required licences?
    Yes. AirGreen holds RBQ licence 5645-9605-01, subclasses 15.8 Ventilation, 15.10 Refrigeration and 16 Electricity.
    Is the estimate free?
    Yes. The on-site estimate is free and the quote follows within 24 hours. Book my free estimate.

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    Text and photo: a real AirGreen Climatisation & Chauffage job. The diagrams are generic illustrations of the type of installation, not a survey of this job site. Sources of the added figures: airgreen.ca product pages (NEEP / AHRI performance), Hydro-Québec (Heat pumps page, LogisVert, read on 13 October 2026), Régie de l’énergie (rate D as of 1 April 2026).

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